Home / 3,428.42-5,141.18-1,348.10

Finding the Fourth Proportional to 3,428.42, 5,141.18 and 1,348.10

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Solution

The fourth proportional to 3,428.42, 5,141.18 and 1,348.10 is: 2,021.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.42 : 5,141.18 = 1,348.10 : x
  2. Step 2: Convert to fraction form
    3,428.42/5,141.18 = 1,348.10/x
  3. Step 3: Cross multiply
    3,428.42x = 5,141.18 × 1,348.10
  4. Step 4: Simplify right side
    3,428.42x = 6,930,805.48
  5. Step 5: Solve for x
    x = 6,930,805.48/3,428.42
  6. Step 6: Final answer
    x = 2,021.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.